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A hidden mechanism changes what we know about cell division

Researchers discovered that a long-misunderstood protein plays a key role in helping chromosomes latch onto the right “tracks” during cell division. Instead of acting like a motor, it works more like a stabilizer that sets everything up correctly from the start. This simple shift in understanding changes how scientists view one of the most important steps in biology. It also highlights a potential weak point that could help explain how some diseases begin.

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